all 55 beds are filled at the emergency shelter set up at the napa county fairgrounds. that shelter will close in about half an hour at 8:00 this morning and reopen tonight at 5:00. in santa clara county four deaths are being attributed to the cold snap. meanwhile 1400 flights are canceled nationwide today and several hundred more delayed. and sfo impacts flights arriving from dallas involving american airlines. >>> check on the commute now with leyla. >> all right. i have some good news in bay point. we have a sigalert that has canceled. let's go to sky 7 hd where we do have all lanes now reopened. this is a live picture. westbound side of highway 4 at bailey road. it was a five-car crash. the bad news though is that it is causing massive backups still. we have at least one hour to get you from antioch into concord. eric. >>> leyla, thank you very much. when we come back, >>> this is the way it looks from the roof cam this morning. breeze in san francisco mid to upper 30s. we have some windchills out there. feels like the 20z. we're about six to 11 degrees cooler, that